Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and PACE Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/26/2025
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (PACE) Time (PACE) Lat,Lon (PACE) SZA (PACE ) Distance(km) Time Diff (sec)
1 06/27/2025 17:50:29 79.90,-125.30 58.94 06/27/2025 17:51:21 79.92,-125.44 58.94 2.92 52
2 06/27/2025 18:41:07 -79.70, 43.91 121.43 06/27/2025 18:40:26 -79.71, 43.79 121.39 2.66 41
3 06/29/2025 23:07:38 -79.84, -23.92 121.06 06/29/2025 23:07:38 -79.83, -23.88 121.07 0.92 0
4 07/02/2025 03:34:06 -79.88, -90.91 120.83 07/02/2025 03:34:48 -79.88, -91.06 120.83 2.96 42
5 07/02/2025 04:24:46 79.71, 77.94 58.88 07/02/2025 04:23:54 79.72, 77.87 58.91 1.38 52
6 07/04/2025 08:51:17 79.85, 10.07 59.32 07/04/2025 08:51:06 79.85, 10.10 59.32 0.60 11
7 07/06/2025 13:17:46 79.92, -57.25 59.68 07/06/2025 13:18:16 79.91, -57.18 59.65 1.41 30
8 07/06/2025 14:08:25 -79.75, 111.68 120.64 07/06/2025 14:07:22 -79.75, 111.73 120.62 1.06 63
9 07/08/2025 17:44:15 79.99,-124.59 60.07 07/08/2025 17:45:26 79.98,-124.52 60.02 1.52 71

Figure of NPP and PACE satellite orbits during SNOs since TLE Epoch: 6/26/2025
SNOs_Map_NPP_PACE_20250626.jpg

Download SNOs between NPP and PACE since TLE EPOCH: 06/26/2025 in txt file.

Historial Predications of SNOs between NPP and PACE